Open staircase - Company Ranking(5 companyies in total)

Last Updated：Sep 10, 2025 Aggregation Period:Aug 13, 2025〜Sep 09, 2025
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Company Name	Company information	Featured Products
Company Name	Company information	Product Image, Product Name, Price Range	overview	Application/Performance example
AIネクスト	Address Ishikawa/ number of employees 15 Business Activities Design and construction of living room stairs. The Living Stairs and Uni-Cool series were launched as unique concepts and items by thoroughly reviewing all processes of manufacturing, sales, and construction to promote the spread of skeleton stairs, eliminating unnecessary complexities and inefficiencies. Without compromising on the quality of custom-made products, we have narrowed down the models to popular designs, simplified processing and distribution, and achieved the industry's lowest prices even for made-to-order production. As Japan's only specialized stair manufacturer that does not limit itself to a single material, we proudly present this exceptional product with confidence. In the lowest price range, style-SO uses 100×50 steel profiles as beams, balancing cost and aesthetics. The product budget starts at approximately 620,000 yen. Its performance has been verified through strength tests based on Better Living standards at the Ishikawa Industrial Testing Institute, ensuring you can purchase with peace of mind. Additionally, we offer a wide range of options, providing cost performance that can be recommended to new family users. Key Partners	Open Staircase UNI-COOL 500,000 yen-1 million yen	Uni-Cool offers custom-made quality without compromise, focusing on popular designs, simplifying processing and distribution, and achieving the lowest prices in the painted steel staircase industry. This is a product we can confidently and proudly recommend. In the lowest price range, Style-SO features a rectangular material of 100×50, balancing cost and beauty. Its performance has been verified through strength tests based on the Beta Living standards at the Ishikawa Industrial Testing Institute, ensuring you can purchase with peace of mind. It is a product that provides excellent cost-performance, making it suitable for users in the child-rearing generation. Furthermore, with SS, we have made popular forms in designer homes more affordable, catering to the middle class who are particular about style. For product inquiries and catalog requests, please visit our company website.	Residential Steel Stairs (Skeleton Stairs) Although intended for residential use, they can be used with wooden, steel frame, or reinforced concrete structures. They can be installed in various locations such as entrance lobbies, living rooms, or lofts, adapting freely to the building's status. By selecting options, shapes can also be customized, including L-shaped bends, U-turns, and three-step turns. They can be used without issues in fire-resistant areas.
AIネクスト		Open Staircase UNI-COOL E 500,000 yen-1 million yen	To narrow down the price, it is limited to linear specifications. The floor height adjustment can be made in 3mm increments. Additionally, there are conditions specific to this series, so please contact us for more details.	As a staircase specialist manufacturer, we have made every effort to reduce costs so that you can adopt open stairs (steel, design, etc.) without hesitation. We hope that by making good use of this series, you will not have to compromise on the status of your home.
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AIネクスト

Address

Ishikawa/

number of employees

15

Business Activities

Design and construction of living room stairs. The Living Stairs and Uni-Cool series were launched as unique concepts and items by thoroughly reviewing all processes of manufacturing, sales, and construction to promote the spread of skeleton stairs, eliminating unnecessary complexities and inefficiencies. Without compromising on the quality of custom-made products, we have narrowed down the models to popular designs, simplified processing and distribution, and achieved the industry's lowest prices even for made-to-order production. As Japan's only specialized stair manufacturer that does not limit itself to a single material, we proudly present this exceptional product with confidence. In the lowest price range, style-SO uses 100×50 steel profiles as beams, balancing cost and aesthetics. The product budget starts at approximately 620,000 yen. Its performance has been verified through strength tests based on Better Living standards at the Ishikawa Industrial Testing Institute, ensuring you can purchase with peace of mind. Additionally, we offer a wide range of options, providing cost performance that can be recommended to new family users.

Key Partners

Featured Products

Open Staircase UNI-COOL

overview

Uni-Cool offers custom-made quality without compromise, focusing on popular designs, simplifying processing and distribution, and achieving the lowest prices in the painted steel staircase industry. This is a product we can confidently and proudly recommend. In the lowest price range, Style-SO features a rectangular material of 100×50, balancing cost and beauty. Its performance has been verified through strength tests based on the Beta Living standards at the Ishikawa Industrial Testing Institute, ensuring you can purchase with peace of mind. It is a product that provides excellent cost-performance, making it suitable for users in the child-rearing generation. Furthermore, with SS, we have made popular forms in designer homes more affordable, catering to the middle class who are particular about style. For product inquiries and catalog requests, please visit our company website.

Application/Performance example

Residential Steel Stairs (Skeleton Stairs) Although intended for residential use, they can be used with wooden, steel frame, or reinforced concrete structures. They can be installed in various locations such as entrance lobbies, living rooms, or lofts, adapting freely to the building's status. By selecting options, shapes can also be customized, including L-shaped bends, U-turns, and three-step turns. They can be used without issues in fire-resistant areas.

Open Staircase UNI-COOL E

overview

To narrow down the price, it is limited to linear specifications. The floor height adjustment can be made in 3mm increments. Additionally, there are conditions specific to this series, so please contact us for more details.

Application/Performance example

As a staircase specialist manufacturer, we have made every effort to reduce costs so that you can adopt open stairs (steel, design, etc.) without hesitation. We hope that by making good use of this series, you will not have to compromise on the status of your home.
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Address

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Business Activities

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Open staircase - Company Ranking(5 companyies in total)

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